39
Tec
hnical f
eatures and dimensions
ENGLISH
Bcm Parameters
code Symbol
description
unit
min.
max.
Imp. Fab.
803
Srv
Enabled Services
16
27
19
483
rP
Gen: temp. max differential
°K
0.0
50.0
0
34
HY
Burner Hysteresis
°K
5.0
20.0
5.0
31
HL
cH#1: minimum Set-point
°c
20.0
40.0
35.0
39
HH
cH#1: maximum Set-point
°c
45.0
85.0
80.0
799
Ac
Input 0/10V
0
3
1
376
dI1
Programmable Input #1
0
2
0
322
Po
Pump: Post-circulation
min.
1
10
5
341
PL
Pump: minimum control
V
0
10
3
313
Pr
Pump: maximum control
V
0
10
10
792
cHP
cH: mx. modulation
%
0
100
100
611
Pot
Gen: Err. max. Parallel
°K
0
30
5
612
PoL
Gen: mod. max. Parallel
%
0
100
0
650
dL
dHW: minimum Set-point
°c
25.0
45.0
35.0
385
dH
dHW: maximum Set-point
50.0
65.0
65.0
360
dt
Storage Tank Adjustment
0
15
0
656
drt
dHW: temp. Requested differential
°K
-20
20
4
657
drH
dHW: Requested temp. Hysteresis
°K
1
20
8
310
dpt
dHW Pump: Postcirc.
sec.
5
600
60
660
dbt
dHW: temp. maximum Boiler
°c
50.0
85.0
75.0
48
chSet
cH#1: Set-point
°c
20.0
85.0
85.0
64
chPo1 cH#1: Parallel Supply
0
1
0
346
FL
minimum modulation
%
0
100.0
25.0
600
mB
Burners: min. Inserted
1
8
1
616
BSt
Gen: Insertion time
sec.
30
900
120
613
BRt
Gen: Removal time
sec.
30
900
120
336
HS
temperature Gradient
°c/min
1
30
5
353
HP
cH PId: Proportional
°K
0
50
25
354
HI
cH PId: Integrative
°K
0
50
12
478
Hd
cH PId: derivative
°K
0
50
0
816
mI
modbus Address
1
127
1
817
mt
modbus time-out
sec.
0
240
30
896
tu
°Fahrenheit
0
1
0
309
St
Application code
0
1
1
368
VA1
Programmable Relay #1
0
1
0
369
VA2
Programmable Relay #2
0
1
1
771
PS
Water Pressure Sensor
0
1
0
768
LG
min. Gas Pressure Sensor
0
1
1
793
coc
chimney obstruction Sensor
0
2
1
622
FS
minimum Flow Sensor
0
1
3